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<?php
declare(strict_types=1);
/*
* The MIT License (MIT)
*
* Copyright (c) 2018-2020 Spomky-Labs
*
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
namespace CBOR;
use function array_key_exists;
use ArrayIterator;
use function count;
use Countable;
use InvalidArgumentException;
use Iterator;
use IteratorAggregate;
class ListObject extends AbstractCBORObject implements Countable, IteratorAggregate
{
private const MAJOR_TYPE = 0b100;
/**
* @var CBORObject[]
*/
private $data = [];
/**
* @var int|null
*/
private $length;
/**
* @param CBORObject[] $data
*/
public function __construct(array $data = [])
{
list($additionalInformation, $length) = LengthCalculator::getLengthOfArray($data);
array_map(static function ($item): void {
if (!$item instanceof CBORObject) {
throw new InvalidArgumentException('The list must contain only CBORObject objects.');
}
}, $data);
parent::__construct(self::MAJOR_TYPE, $additionalInformation);
$this->data = $data;
$this->length = $length;
}
public function __toString(): string
{
$result = parent::__toString();
if (null !== $this->length) {
$result .= $this->length;
}
foreach ($this->data as $object) {
$result .= (string) $object;
}
return $result;
}
public function add(CBORObject $object): void
{
$this->data[] = $object;
list($this->additionalInformation, $this->length) = LengthCalculator::getLengthOfArray($this->data);
}
public function get(int $index): CBORObject
{
if (!array_key_exists($index, $this->data)) {
throw new InvalidArgumentException('Index not found.');
}
return $this->data[$index];
}
public function getNormalizedData(bool $ignoreTags = false): array
{
return array_map(function (CBORObject $item) use ($ignoreTags) {
return $item->getNormalizedData($ignoreTags);
}, $this->data);
}
public function count(): int
{
return count($this->data);
}
public function getIterator(): Iterator
{
return new ArrayIterator($this->data);
}
}
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